“This girl in a glass house is putting finishing touches on the bombardier nose section of a B-17F navy bomber in Long Beach, California, She's one of many capable women workers in the Douglas Aircraft Company plant. Better known as the “Flying Fortress”, the B-17F is a later model of the B-17 which distinguished itself in action in the South Pacific, over Germany and elsewhere. It is a long range, high altitude heavy bomber, with a crew of seven to nine men, and with armament sufficient to defend itself on daylight missions. Photo taken in October, 1942”. (Alfred Palmer/OWI/LOC)

P-51 “Mustang” fighter in flight, Inglewood, California, The Mustang, built by North American Aviation, Incorporated, is the only American-built fighter used by the Royal Air Force of Great Britain. Photo taken in October, 1942. (Alfred Palmer/OWI/LOC)

Women are trained as engine mechanics in thorough Douglas training methods, at the Douglas Aircraft Company in Long Beach, California, in October of 1942. (Alfred Palmer/OWI/LOC)

An American pineapple, of the kind the Axis finds hard to digest, is ready to leave the hand of an infantryman in training at Fort Belvoir, Virginia. (Alfred Palmer/OWI/LOC)

A sailor at the Naval Air Base wears the new type protective clothing and gas mask designed for use in chemical warfare, in Corpus Christi, Texas, in August of 1942. (Howard Hollem/OWI/LOC)

“Answering the nation's need for womanpower, Mrs. Virginia Davis made arrangement for the care of her two children during the day and joined her husband at work in the Naval Air Base in Corpus Christi, Texas. Both are employed under Civil Service in the Assembly and repair department. Mrs. Davis' training will enable her to take the place of her husband should he be called by the armed service. Photo taken in August, 1942”. (Howard Hollem/OWI/LOC)

A parade of M-4 (General Sherman) and M-3 (General Grant) tanks in training maneuvers, at Ft. Knox, Kentucky. Note the lower design of the M-4, the larger gun in the turret and the two hatches in front of the turret. Photographed in June of 1942. (Alfred Palmer/OWI/LOC)

M-3 tanks, at Ft. Knox, Kentucky, photographed in June of 1942. (Alfred Palmer/OWI/LOC)

“With a woman's determination, Lorena Craig takes over a man-size job in Corpus Christi, Texas. Before she came to work at the Naval air base she was a department store girl. Now she is a cowler under civil service. Photographed in August of 1942”. (Howard Hollem/OWI/LOC)

Part of the cowling for one of the motors for a B-25 bomber is assembled in the engine department of North American Aviation's Inglewood, California, plant, in October of 1942. (Alfred Palmer/OWI/LOC)

B-25 bomber planes at the North American Aviation, Inc., being hauled along an outdoor assembly line with an “International” tractor, in Kansas City, Kansas, in October, 1942. (LOC)

Annette del Sur publicizes a salvage campaign in yard of Douglas Aircraft Company, in Long Beach, California, in October of 1942. (Alfred Palmer/OWI/LOC)

U.S. Marine Corps, bedding down a big barrage balloon, in Parris Island, South Carolina, in May, 1942. (Alfred Palmer/OWI/LOC)

“A young soldier of the armored forces holds and sights his Garand rifle like an old timer, at Fort Knox, Kentucky. He likes the piece for its fine firing qualities and its rugged, dependable mechanism. Photographed in June of 1942”. (Alfred Palmer/OWI/LOC)

Carefully trained women inspectors check and inspect cargo transport innerwings before they are assembled on the fuselage, at Douglas Aircraft Company in Long Beach, California, in October of 1942. (Alfred Palmer/OWI/LOC)

Halftrack infantryman with Garand rifle, at Ft. Knox, Kentucky, in June of 1942. (Alfred Palmer/OWI/LOC)